Less than a decade ago it was rare to find a p&s or bridge camera with a 24mm wide lens. Now there are many. But even now you cannot find a DSLR with an 18mm wide, F1.4 fast lens - certainly not at the same price.

True if you only look at nominal aperture, but if you look at equivalent aperture the situation is very different.

Samyang has a relatively good and cheap 2.8/14mm nominal for FF and an announced 2.8/10mm (15-16mm effective) for APS-C. Many of the APS-C SWA zooms like Tokina 2.8/11-16 or Canon 3.5/10-22 have a better equivalent aperture than the LX series (equivalent aperture for LX7 is about f/7 at the wide end), and they go as wide as the LX7 including the converter ...